If you have a problems or questions get help from the Ubuntu community. The maybe most advanced sites are Ubuntu Forums and Ask Ubuntu. Both provide question and answer services for Ubuntu users and developers. There you can 1. check whether there is already an answer to your problem and 2. ask a question if there is not.
Ubuntu 4U is based on the principles of collaboration and open source. It combines our personal knowledge and experience with the best freely available resources on the Internet. Consequently all the materials offered on this website are free for anyone who would like to use them. Many thanks to the authors of all the contents which we aggregated within this site to complement our contributions.